import axios from 'axios'
import { Notification, MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken, setToken } from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import { ADMIN_PATH } from "@/constant/constant"
import { downfileByByte } from "@/utils/ruoyi";

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  baseURL: process.env.VUE_APP_BASE_API,
  // 超时
  timeout: 10000
})
// request拦截器
service.interceptors.request.use(config => {
  // 是否需要设置 token
  const isToken = (config.headers || {}).isToken === false
  const token = getToken();
  if (token && token != 'undefined' && !isToken) {
    config.headers['token'] = getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
  }
  return config
}, error => {
    console.log(error)
    Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
    if (res && res.data) {
      if (res.data.type) {
        if (res.data.type == 'application/octet-stream') {
          return downfileByByte(res);
        } else {
          res.data.text().then(function(result){
            res.data = JSON.parse(result);
            return responseInit(res);
          })
        }
      }
    }

    return responseInit(res);
  },
  error => {
    console.log('err' + error)
    let { message } = error;
    if (message == "Network Error") {
      message = "后端接口连接异常";
    }
    else if (message.includes("timeout")) {
      message = "系统接口请求超时";
    }
    else if (message.includes("Request failed with status code")) {
      message = "系统接口" + message.substr(message.length - 3) + "异常";
    }
    Message({
      message: message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

/** 响应初始化 */
function responseInit(res) {
  // 未设置状态码则默认成功状态
  const code = res.data.code || 200;
  // 获取错误信息
  const msg = errorCode[code] || res.data.msg || errorCode['default']
  if (code === 601) {
    MessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
        confirmButtonText: '重新登录',
        cancelButtonText: '取消',
        type: 'warning'
      }
    ).then(() => {
      store.dispatch('LogOut').then(() => {
        location.href = process.env.BASE_URL + ADMIN_PATH;
      })
    })
    return Promise.reject(new Error(msg))
  } if (code === 602) {
    MessageBox.confirm('此帐号已在其他地方登录，您可以继续留在该页面，或者重新登录', '系统提示', {
        confirmButtonText: '重新登录',
        cancelButtonText: '取消',
        type: 'warning'
      }
    ).then(() => {
      store.dispatch('LogOut').then(() => {
        location.href = process.env.BASE_URL + ADMIN_PATH;
      })
    })
    return Promise.reject(new Error(msg))
  } else if (code === 500) {
    Message({
      message: msg,
      type: 'error'
    })
    return Promise.reject(new Error(msg))
  } else if (code !== 200) {
    Notification.error({
      title: msg
    })
    return Promise.reject(new Error(msg))
  } else {
    const token = res.headers.token;
    if (token) {
      setToken(token);
    }
    return res.data
  }
}

export default service
